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Finding the Fourth Proportional to 262,767.76, 362,600.32 and 155,317.04

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Solution

The fourth proportional to 262,767.76, 362,600.32 and 155,317.04 is: 214,326.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,767.76 : 362,600.32 = 155,317.04 : x
  2. Step 2: Convert to fraction form
    262,767.76/362,600.32 = 155,317.04/x
  3. Step 3: Cross multiply
    262,767.76x = 362,600.32 × 155,317.04
  4. Step 4: Simplify right side
    262,767.76x = 56,318,008,405.45
  5. Step 5: Solve for x
    x = 56,318,008,405.45/262,767.76
  6. Step 6: Final answer
    x = 214,326.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.